Ballpoint pen



FIG. 1 is a perspective view of a ballpoint pen showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right view thereof; and,

FIG. 7 is a left view thereof.

The broken lines in FIGS. 1-4, 6, and 7 are included for the purpose ofshowing portions of the ballpoint pen that form no part of the claimeddesign.

CLAIM The ornamental design for a ballpoint pen, as shown and described.